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7 Sculpting Large Scale Terrain — Transcript

by JokerLiver · 3,440 words · 451 segments · language en · Watch on YouTube

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0:14Hello and welcome back everyone to
0:16Unreal Engine 5 beginner's guide to
0:18building an environment. In the last
0:20lesson, we left it off by starting on
0:22working on a larger scale within our
0:24landscape and building up a bit of a
0:27shape for where the water would go. And
0:30this time, we're going to continue on
0:32working on this terrain and actually get
0:34some of the work done for the larger
0:36parts of this area. So, let's go ahead
0:38and get started. We got ourselves a
0:40couple of hills and we can now use them
0:42as a reference point for elevation. And
0:44actually we are going to just go ahead
0:46and get ourselves the second point over
0:48here that we continued on working with
0:51and just click and hold and then drag
0:52it. And this way we're basically have
0:55two elevation points that are slightly
0:58elevated above this overall terrain. So
1:00we can now use them both and build up
1:02this area over here. And although the
1:05camera is not going to be picking that
1:07up, we're going to be positioning our
1:09environment shot somewhere in this over
1:11here area. So, we need to just focus on
1:15kind of having some levels of elevation
1:17and then working with them later on. So,
1:20actually I am going to lower this down a
1:22little bit. This hill over here, I think
1:24it's going to be a little bit too small.
1:26And by the way, quick tip. If your
1:28camera is moving a little bit too slow
1:30when working with this large
1:31environment, you can go ahead and click
1:33on the upper right corner over here for
1:35the camera speed. And if you were to
1:37increase this uh let's say to a five,
1:39you'd be able to move around much
1:41faster. So that's quite nice. And
1:43alternatively,
1:45sometimes I like to when moving around
1:47use the mouse wheel to scroll down, for
1:49example, which will slow down your
1:51movement considerably. So while holding
1:54right click and WD while moving around
1:56and then using your mouse wheel, you can
1:59just basically change up the speed for
2:02your camera movement. So that's kind of
2:04a faster process for using this. But the
2:07downside of it though is that you can't
2:09exactly tell the type of a speed you're
2:11using. So right now, even though the
2:12camera speed is kept as the same for
2:15with the camera speed scaler being set
2:17as one as well, it's going to have a
2:20considerably considerably different uh
2:22speed. So if I use my mouse wheel and
2:24kind of drag it up and have much faster
2:26of a result for my movement, the type of
2:29speed shown here is going to be kept the
2:32same. So, that's the downside to having
2:35this kind of a faster method for
2:37changing the scale for your camera
2:40movement within the viewport. But
2:43anyway, I'm just going to kind of
2:44slightly increase it and have it be
2:47easier to work with this larger section
2:50over here. And I'm thinking about just
2:53again using the flatten tool. And
2:56actually, we're going to lower this down
2:57a little bit. So, I'm going to go back
2:58to the sculpt sculpt mode. going to hold
3:01shift and then lower it down a little
3:03bit. If you want your strength to be
3:05changed up the way it has the intensity
3:07on this area for when you're sculpting,
3:10you can change that using the tool
3:12strength. So, if you were to lower this
3:14down by quite a bit, it'll have a much
3:17uh nicer result for when we're changing
3:19the overall shape for the terrain. So,
3:22right now, for example, we change it to
3:24this amount. And if we were to change
3:27the tool strength to be a little bit
3:29higher, let's say to a seven. If we were
3:31to hold shift and left mouse button,
3:32it'll just lower down so much faster.
3:35But I'm going to change this to a value
3:36of 0.2 for now. And just going to
3:40actually we're going to go to the
3:42flatten tool, change the strength back
3:44back to 0.5. And just go to use uh this
3:48side over here and just kind of lower it
3:50down. So the elevation is going to be
3:52much nicer in regards to this area. So,
3:54I think that's going to be much nicer.
3:56Just going to check how this looks like.
3:58So, we're going to have basically three
4:00types of elevation from the bottom of
4:02this river. And it's going to be so much
4:04nicer. And I think in the background,
4:07we're going to have so much uh some
4:09silhouettes for some terrain as well.
4:11But that's going to be later on though.
4:13For now, let's just focus on this larger
4:15part of the elevation. And right now,
4:18since we have those kind of levels set
4:19up, I think I'm just going to get this
4:22over here. kind of work with the entire
4:25silhouette for this environment. I think
4:27that might be quite nice. So, we're
4:30going to have some terrain going
4:32sideways like so. Might maybe cut it off
4:35over here and just build it up like so.
4:39I think that's going to be quite nice. I
4:42think that'll do. So, now that we have
4:44it set like this, more or less, we can
4:46actually use a higher brush size. And if
4:50we were to increase it to something like
4:524,000
4:54like so, we can use this brush with the
4:58same elevation set from here. Or
5:00actually, I'll just lower this down a
5:02little bit and drag it outwards a little
5:04bit more like so. So this way we don't
5:08affect the elevation that's on a low
5:10here. So I'm just going to bring it
5:11outwards like so. Then set this to 4,000
5:14like so. And now we can make use out of
5:17this brush to change up a large scale of
5:20this terrain, which is pretty nice. So
5:23we're going to basically get this entire
5:26elevation to be higher. And because we
5:28changed the scale of the brush, of
5:30course, the brush falloff is also going
5:32to be changed. So we actually want to
5:34lower this down to a value of 0.2 and
5:37get ourselves a harder type of a brush.
5:39So this way our transition between those
5:42two elevations are going to be much
5:44steeper. So that's going to be much
5:45nicer. And I think that's going to be
5:47quite nice. So this is the type of
5:50elevation that we want. I reckon this is
5:52going to be quite nice. Now we need to
5:54think of where we want our river to
5:58start from. And looking at this, we
6:00might want to either have it from going
6:02from this side over here. Just going to
6:04lower my brush a little bit more. From
6:06this side over here, or this section
6:09over here. And actually, we might want
6:11to get ourselves a nice river coming
6:13from this end over here. So, I think I'm
6:16going to lower my brush even more and
6:19make some finer tweaks using this type
6:22of brush. And actually, we're going to
6:23set up start off by getting ourselves a
6:25nice terrain in this area over here,
6:28just like this one over here. So, it's
6:31going to kind of be pulled out from this
6:34section. And now the water is going to
6:36be able to be picked up from this area.
6:39Like so. I think that's going to be
6:41quite nice. Just got to make sure we
6:44have a nice transition between those
6:45edges, the corners. They don't they
6:47can't be too sharp, otherwise they're
6:49not going to look quite as nice. I think
6:51that's going to look really nice,
6:53actually. And now we got to figure out
6:55how we're going to set up the water. So,
6:58we're going to use a sculpt mode. sculpt
7:00mode to kind of lower this overall area
7:02for where the water is going to be
7:04flowing. And now we're going to lower
7:05the brush size even more. And tool
7:07strength, let's set it to a value of
7:100.2. And while holding shift, we're
7:12actually going to just lower this these
7:14kind of sections over here, like so. And
7:17we don't have to worry about it too much
7:18because we're actually going to come
7:19back to it in a bit after we're done uh
7:23changing up the overall uh terrain. So,
7:27I think this is going to be quite nice.
7:29Now we can go back and actually yeah
7:32when working with this let's make sure
7:33that we have more or less of a straight
7:35pattern like so. So we're going to have
7:38water coming down from here uh having a
7:41small waterfall over here and then
7:43another waterfall over here and then
7:44land it in this water body over here. So
7:48that's going to be quite nice. Now we're
7:50going to go use a flatten tool and kind
7:52of just fix up the edges for where we
7:54had the terrain to be deformed too much.
7:57I'm actually going to lower the overall
7:59brush size to be even smaller and set it
8:02to 50 for example. No, not 50. 50 is too
8:05much. 200. 200 seems to be just right.
8:08Of course, the brush size, the brush
8:09falloff has to be increased by quite a
8:11bit. Setting it to8 maybe would do quite
8:14well. So, when working with smaller
8:16brushes, we got to make sure we start
8:18off by having the flattened brush going
8:21from the side. And this way we're a able
8:23to kind of uh get the terrain level
8:27information from this end and kind of
8:28bring it to the side like so. So just
8:31holding left mouse button and dragging
8:32on out to the side is going to give us
8:34some really nice results. And we don't
8:36have to worry about too much of the
8:38shape for now as we're just making sure
8:40that the water is going to have a nice
8:43type of a flow for this type of a
8:46section over here. And we're only
8:48building a base terrain. We're going to
8:50break up the edges using our props later
8:53on. So, we're just going to make sure
8:55that we have a nice kind of foundation.
8:57Maybe even have a bit of a flow going
9:00from here. Like so. And I think that's
9:04going to look quite nice. We just got to
9:05make sure that we have a real nice base
9:09for the water section. Like so. And we
9:12can come back for when we're working
9:15with the water itself and make some
9:18finer adjustments. But for now, I think
9:20that's going to look quite all right. So
9:22yeah, that's going to look nice. I think
9:25that's going to be enough. And actually,
9:27we're going to go to the manage tool and
9:29delete the back sections over here. So
9:32we're going to select delete and delete
9:35all the ones at the back. So, let's go
9:37ahead and just click one by one like so
9:40and delete them just like that. I think
9:42we're going to leave them as is right
9:45now. That's going to look quite nice.
9:47So, because the camera is going to be
9:48like this, we're not going to be seeing
9:50the back faces. And we're just going to
9:52play around with some props to get
9:55something in the back. And I think
9:57that's going to be good for now. For
9:59this end though, we need to go to the
10:01sculpt mode. And actually, we're going
10:02to select the sculpt itself. We're going
10:05to increase the brush uh strength to be
10:07set as 08 and brush size we can increase
10:10that as well. And because of that let's
10:13go ahead and change the brush falloff to
10:150.5. So we can now actually sorry
10:18holding shift left mouse button we're
10:20going to lower this entire section like
10:22so. And that way we're just basically
10:24hiding the entire terrain's edge.
10:26Because otherwise, if we look at it from
10:29this angle, we can see that by default,
10:32we have some really sharp edges for the
10:35terrain. So, we want to make sure we
10:36hide those away. So, the easiest way
10:38would be to just kind of lowering them
10:41all down. And we don't have to worry
10:43about uh too much on how it's going to
10:45look like. Actually, better yet, if we
10:48have some more broken up parts, it's
10:50just going to help us with the
10:51silhouette for the rain. And then I'm
10:52just going to go all through the
10:54backside like so. And just kind of hover
10:56over my sculpt brush and lower
10:59everything around just like that. So
11:02this way we're going to get a really
11:04nice terrain in the end. So that's going
11:07to be quite nice. And I think that's
11:09going to look quite nice. Just going to
11:12lower this end as well. Like so. And
11:16yeah, I think that's just going to
11:19finish it off over here as well. And
11:21this bit is not going to be visible. So
11:23that's going to be quite all right. So
11:24again, going to look at it from before
11:27and after. You can see the type of edge,
11:29the slight kind of a jitter that we have
11:31from the hand painted sculpting mode.
11:34That's going to give us much nicer
11:36results. And I think that's going to be
11:38quite all right. We might actually think
11:40this part of the water body might be a
11:43little bit too little. So we might want
11:45to Yeah, let's go ahead and increase it
11:47a little bit. Just going to use a
11:48flatten tool and oh just going to lower
11:50the brush size first and kind of expand
11:54this just a little bit using a flatten
11:57mode. And I think that's going to be
11:59much nicer. So now we can actually go
12:03into the select mode and see how this
12:04looks like and even delete those basic
12:07cubes that we had previously and see how
12:10this looks. And of course this is
12:11floating because we need to fix that up.
12:12So let's go into the landscape sculpt
12:14mode flatten and with a small brush like
12:18so. And can change the fallout fall off
12:21to be 0.1 or 2. And we're just going to
12:24bring this back up like so. So it'll be
12:27touching the edge of this
12:31bridge. And I think it's going to be
12:34quite nice. Let's just go ahead and fix
12:35it up just a little bit. And before
12:38moving on, I figured that we might as
12:40well add a little bit of an extra noise
12:41in order to get a more interesting shape
12:44to the terrain. So, what we're going to
12:45do is actually we're going to go into
12:47the erosion mode, which is this one over
12:49here. And if you were to select it, we
12:51get a bunch of options to choose from.
12:53And what this will basically do is it'll
12:55erode all the edges within the cliffs,
12:58and it'll just give you a more of a
13:00noisy kind of a landscape. It'll give
13:02you a more interesting shape to it. So
13:04the way we do it is by simply just
13:06applying the brush right away. You can
13:08see that it just gives you a much
13:09interesting uh and nicer shape. If you
13:11do it on a flat surface, it'll also add
13:14some bit of a variation towards our
13:16terrain as well. So if we were to uh get
13:19ourselves a bit of a larger brush size
13:21within the brush settings. And if we
13:23were to increase this uh let's say to
13:26something like 2,000. And if we were to
13:29just apply it throughout our terrain,
13:31we're going to get some nice results
13:32throughout our section. So right now,
13:35just by using the default settings and
13:37having the strength and threshold set as
13:39the default value, we're able to get
13:41some nice results. So I'm just actually
13:42going to go into the tool strength and
13:44just reset it to its default property
13:46value just to get a 0.3. And just by
13:49holding it, we'll get a much softer of a
13:52result when we're applying the servo
13:54brush. And we can see that we actually
13:56have a noise mode by default. I'd
13:58usually like to keep it as both. And
14:01what this will do is basically it'll add
14:03and as well as lower down the terrain
14:06within using the settings. So for
14:08example, when we're applying it right
14:09now, we're not only going to be lowering
14:11everything, we're also going to be
14:13raising everything up. And usually what
14:15I like to do is I like to make use out
14:18of this whenever we have a terrain
14:20that's not near a water area. So, for
14:23example, all the terrain over here on
14:25the side, we're going to be using that.
14:27So, I'm just going to increase the brush
14:29by quite a large amount. Keep the brush
14:31fall off at 0.2. And we're actually
14:33going to keep the noise scale at 60.
14:35This is what controls how our brush
14:38breaks down the entire terrain. So, by,
14:41for example, getting ourselves noise
14:43scale up to 120, we'd be able to have a
14:47much larger results. And by lowering
14:50that to let's say at something like 20,
14:52we'd be able to get much much thinner
14:55kind of a noise. And actually using
14:58something of a value between 40 and 80,
15:00I find it to be the best. So for
15:01example, something like 50, something in
15:03between. Using this sort of a value will
15:06give you somewhat of a nice result. And
15:08again, I'm just going to apply that to
15:10the rest of the terrain. Just real
15:11quick, just kind of brushing through
15:14with my brush. Just like that. Again,
15:16I'm avoiding this area for where the
15:18water is going to be and next to the
15:20house. And just making sure I'm going
15:23with this all the way around our
15:25terrain. Just like that. And just by
15:28sculpting it out using this kind of a
15:30brush, we're getting some really, really
15:32interesting shapes and really nice
15:34results. And I think I overdid it in
15:36this area. So, I'm going to click Ctrl
15:37and Z and undo my previous step. And
15:41actually, I'm I'm going to keep this
15:43area as is. Just going to make sure not
15:45to touch this area next to the water.
15:47And I think that's going to give us some
15:49really nice results. So, if we're even
15:50looking it at it from this area, it's
15:52going to look quite nice. But next to
15:55the water section, what I like to do is
15:57I want to make sure that the noise mode
15:59is set from both and set it to race.
16:02This way, we're we're actually adding a
16:04water plane into this area. It's not
16:06going to be clipping through to the
16:07sides of this terrain because usually
16:10when we're adding a water plane, we're
16:12not going to get identically to the
16:14edges of this water bed and instead
16:17we're going to slightly extend the plane
16:19for the water and that'll just make sure
16:22that all the channel all the rivered is
16:25covered in water. But again, we are
16:27going to use noise mode set as rays. And
16:29this way when we're using it, it's going
16:31to kind of raise up the terrain in these
16:34areas. And this is actually exactly what
16:36we want because this way we're able to
16:38get some nice results out of our water
16:41bed. And it'll just make sure that the
16:44areas that are next to the water aren't
16:46going to be lowered down enough for us
16:49to see the water. I'm going to leave the
16:52area for where the housing is as just
16:56going to slightly tap and apply uh this
16:59sort of a noise. And just like that,
17:02we're able to get some really nice
17:03values for our base of the terrain. Of
17:06course, we're not quite done with the
17:07terrain just yet. We'll need to apply a
17:09bunch of other items like um rocks, for
17:13example, or foliage in order to break
17:15apart this sort of a terrain. And also,
17:17we'll need to make sure we texture that,
17:18but we're going to do that in the
17:20future. Before doing that though, I
17:22reckon we can start on building up our
17:24area for where the house is and the
17:27bridge as well. and we're going to start
17:29off uh doing that in the next lesson.
17:31So, thank you so much for watching and
17:32I'll see you in a bit.

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